We should first try to define what variance means in poker?
Can we say that making our way to ITM represents the medium, winning the tournament is in the other end of the scale, and simply losing without any money is in the other end of variance?
The factor of luck in low- and high-stakes is the same. If we have two players, one who plays at micro stakes and who's skill level is no worse or better that his peers, and another who's skill level is at the same level with other high-stakes players, can we truly make an assumption that the player who plays at high-stakes finishes more often in ITM?
At least that is the way how I understood your hypothesis.
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